Suhail AL Tamim, et al. “THE POSSIBILITY OF USING KAIZEN METHOD (CONTINUOUS IMPROVEMENT) TO IMPROVE QUALITY AND REDUCE COSTS: AN APPLICATION RESEARCH ON KUFA CEMENT FACTORY”. The Journal of Modern Project Management, vol. 11, no. 1, Apr. 2023, pp. 24-41, https://journalmodernpm.com/manuscript/index.php/jmpm/article/view/579.